20921692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1973}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 40127472

約数和(自身を除く): 19205780

約数列:

[1, 2, 4, 11, 22, 44, 241, 482, 964, 1973, 2651, 3946, 5302, 7892, 10604, 21703, 43406, 86812, 475493, 950986, 1901972, 5230423, 10460846, 20921692]

約数ペア:

[(1, 20921692), (2, 10460846), (4, 5230423), (11, 1901972), (22, 950986), (44, 475493), (241, 86812), (482, 43406), (964, 21703), (1973, 10604), (2651, 7892), (3946, 5302)]